Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| National Bank Open: Nikola Bartunkova vs Amanda Anisimova Total Sets: O/U 2.5 | 100% |
| National Bank Open: Nikola Bartunkova vs Amanda Anisimova Set 1 Winner | 100% |
| National Bank Open: Nikola Bartunkova vs Amanda Anisimova Set 1 O/U 8.5 | 100% |
| National Bank Open: Nikola Bartunkova vs Amanda Anisimova Match O/U 21.5 | 100% |
| National Bank Open: Nikola Bartunkova vs Amanda Anisimova Match O/U 22.5 | 100% |
| National Bank Open: Nikola Bartunkova vs Amanda Anisimova Match O/U 23.5 | 100% |
| National Bank Open: Nikola Bartunkova vs Amanda Anisimova | 0% |
| National Bank Open: Nikola Bartunkova vs Amanda Anisimova Set 2 Winner | 0% |
| National Bank Open: Nikola Bartunkova vs Amanda Anisimova Set Handicap +/-1.5 | 0% |
| National Bank Open: Nikola Bartunkova vs Amanda Anisimova Set 2 O/U 8.5 | 0% |
| National Bank Open: Nikola Bartunkova vs Amanda Anisimova Set 1 O/U 9.5 | 0% |
| National Bank Open: Nikola Bartunkova vs Amanda Anisimova Set 2 O/U 9.5 | 0% |
| National Bank Open: Nikola Bartunkova vs Amanda Anisimova Set 1 O/U 10.5 | 0% |
| National Bank Open: Nikola Bartunkova vs Amanda Anisimova Set 2 O/U 10.5 | 0% |
Market context
Nikola Bartunkova’s meeting with Amanda Anisimova at the National Bank Open pits a lower-ranked challenger against a far more established hard-court player, which is why the market should not be read as a pure form-versus-form coin flip. Available tournament reporting says Bartunkova arrived unbeaten in the event and had already beaten Bianca Andreescu and No. 27 seed Clara Tauson, while Anisimova was the higher-profile side in the draw and listed around world No. 10 in event coverage.[14][4] The pair had no previous tour-level head-to-head, so there is no direct matchup history to anchor expectations.[1][2]
Comparable-case framing points to two things traders usually care about here: whether Bartunkova’s run-upset profile was built on sustainable serve/return numbers, and whether Anisimova’s broader 2026 level translates cleanly onto this surface. Season stats show Anisimova with the stronger overall record and better return numbers, while Bartunkova’s hard-court win rate and recent tournament momentum suggest she is capable of making the match competitive.[2][8] That mix supports a wide range of outcomes even before on-court conditions are considered, which helps explain why a 0% YES price is more a function of market disbelief than proof of impossibility.[1][2]
For traders, the key catalysts are straightforward: official match status, any change to the scheduled order of play, and whether either player withdraws or the match is delayed beyond the seven-day settlement cut-off, which would push the market towards the 50-50 fallback.[4][7] Recent event pages place the fixture on 6 August 2026, but live stats were still pending before play, so the decisive signal is simply whether the match starts and is completed as scheduled.[4][7]
Methodology
Sports-specific comparison page for National Bank Open: Nikola Bartunkova vs Amanda Anisimova. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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